var express = require('express');
// var form = require('../lib/uploadHandler.js');
var router = express.Router();

/* GET home page. */
router.get('/', function(req, res, next) {
    // res.render('index', {
    //     title: 'Express'
    // });
    // res.sendFile('./views/chat.html');
    res.render('chat/chat', {
        title: 'Online Chat',
        classes: ['', 'active', '']
    });
});

router.post('/', function(req, res) {
    var formidable = require('formidable');
    var fs = require('fs');
    var AVATAR_UPLOAD_FOLDER = '/avatar/';

    var form = new formidable.IncomingForm(); //创建上传表单
    form.encoding = 'utf-8'; //设置编码
    // form.uploadDir = 'public' + AVATAR_UPLOAD_FOLDER; //设置上传目录
    form.keepExtensions = true; //保留后缀
    form.maxFieldsSize = 2 * 1024 * 1024; //文件大小

    form.parse(req, function(err, fields, files) {

        if (err) {
            res.locals.error = err;
            res.render('index', {
                title: TITLE
            });
            return;
        }

        var extName = ''; //后缀名
        switch (files.fulAvatar.type) {
            case 'image/pjpeg':
                extName = 'jpg';
                break;
            case 'image/jpeg':
                extName = 'jpg';
                break;
            case 'image/png':
                extName = 'png';
                break;
            case 'image/x-png':
                extName = 'png';
                break;
        }

        if (extName.length == 0) {
            res.locals.error = '只支持png和jpg格式图片';
            res.render('index', {
                title: TITLE
            });
            return;
        }

        var avatarName = Math.random() + '.' + extName;
        var newPath = form.uploadDir + avatarName;

        console.log(newPath);
        fs.renameSync(files.fulAvatar.path, newPath); //重命名
    });

});

module.exports = router;